Written by Tom Petty
VERSE: D Well the talk on the street D A good friend of mine *RIFF 1, D, RIFF 2 Saw you leavin' by your back door CHORUS: E I need to know, (I need to know) D I need to know, (I need to know) C If you think you're gonna leave D Then you better say so E I need to know, (I need to know) D I need to know, (I need to know) C 'Cause I don't know how long D I can hold on C If you're makin' me wait, D If you're leadin' me on RIFF 1, D, RIFF 2 I need to know, (I need to know) RIFF 1, D, RIFF 2 I need to know, (I need to know) VERSE: D Who would've thought that *RIFF 1, D, RIFF 2 You'd fall for his line D All of a sudden *RIFF 1, D, RIFF 2 It's me on the outsideINSTRUMENTAL: A E A E BE I need to know, (I need to know) D I need to know, (I need to know) C If you think you're gonna leave D Then you better say so E I need to know, (I need to know) D I need to know, (I need to know) C 'Cause I don't know how long D I can hold on C If you're makin' me wait, D If you're leadin' me on *RIFF 1, D, RIFF 2 I need to know, (I need to know) *RIFF 1, D, RIFF 2 I need to know, (I need to know)E I need to know, (I need to know) D I need to know, (I need to know) C If you think you're gonna leave D Then you better say so E I need to know, (I need to know) D I need to know, (I need to know) C 'Cause I don't know how long D I can hold on C If you're makin' me wait, D If you're leadin' me on *RIFF 1, D, RIFF 2 I need to know, (I need to know) *RIFF 1, D, RIFF 2 I need to know, (I need to know) *RIFF 1, D, RIFF 2 I need to know